Converting crt to PEM
Took two steps:
openssl x509 -in input.crt -out input.der -outform DER
openssl x509 -in input.der -inform DER -out output.pem -outform PEM
A common tool in use when needing a console access to a remote server is the IPMI. There are multiple names and implementations – HPE’s ILO, Dell’s iDrac, Lenovo IMM, and so on. This interface can be configured – both network settings and user access credentials, when having a BIOS access, however – a question…
Red Hat’s Anaconda installer, used by Red Hat Enterprise Linux, Oracle Linux, and other RHEL-like distributions, offers a powerful customization method through an additional product.img file. This technique allows you to modify the first boot sequence with relative ease. What is product.img? The product.img is an additional image file that can be used to override…
It means I cannot resize video. Using the x11 generic driver does not allow resize. I’ve searched for a solution just now, and got to this web page. After some tweeks with my own config file (to remind you, it was built using ATI’s tools), I’ve got it to work correctly. Here’s the updated config…
Oracle begin to push their Clusterware as a 3rd party HA framework. In this article we will review a quick example of how to do it. I will refer to this post as a quick-guide, as this is by no means any full-scale guide. This article assumes you have installed Oracle Clusterware following one of…
Sysstat package, for me, is a must on any Linux machine I get to deal with. It allows for easy collection of performance data, and it allows easy postmortem of past (short past, anyhow) problems. For me, the only change from RHEL4 defaults is by setting the time interval to one minute, in stead of…
I’ve been to our own little “August Penguin” just few days ago, and it wasn’t too good. I avoided the lectures (who needs secure rsync?!?), but sat and talked with friends about all kinda stuff. One of the advantages of such an event is that you get to meet lots of your linux-related friends, and…